TfL Ref: 1136-1920
 
Thank you for your request received by us on 18 July 2019 asking for information about average emissions by black cabs in the London area.
 
Your request has been considered in accordance with the requirements of the Environmental Information Regulations and our information access policy. I can confirm that we hold the information you require. You asked for:
 
estimates for average emissions by black cabs in the TFL area.
 
I am seeking (i) particulates (ii) NOx (iii) per passenger mile or km (iv) if these are not available, any statistic or measurement that you have done which contains estimates for black cab emissions.
 
Emissions from black cabs in London are reported in the London Atmospheric Emissions Inventory (LAEI). The latest version of the LAEI was published in March 2019 and is available here: https://data.london.gov.uk/dataset/london-atmospheric-emissions-inventory--laei--2016
 
Detailed NOx, PM10 and PM2.5 road transport emissions by vehicle type for the base year 2016 are accessible by clicking on the link called ‘Emissions – Data – Excel Files’ under the ‘Grid Emissions Summary’ section.
 
The following is a summary of taxi emissions reported in this file for each of these pollutants and each London area (Central/Inner/Outer London):
 
Emissions (tonnes) - 2016
Pollutant Greater London
 Central Inner Outer Total
NOx 209.7  519.5  429.1  1,158.3
PM10 19.6  42.9  32.6  95.1
PM2.5 14.6  29.0  22.0  65.5
 
 
In addition, taxi VKM (vehicle, kilometres) during 2016 for each London zone are also provided in a separate file on the LAEI website under ‘Supporting Information – Road Traffic Data – Excel’. These datasets can be combined with the above total emissions if required to obtain emissions in mass of pollutant per vehicle per kilometre.
 
If this is not the information you are looking for, or if you are unable to access it for any reason, please do not hesitate to contact me.
 
Please see the attached information sheet for details of your right to appeal as well as information on copyright and what to do if you would like to re-use any of the information we have disclosed.
 
Yours sincerely
 
 
Jasmine Howard
FOI Case Officer
Information Governance
Transport For London